GLD Software - Windows™-based revolutionary geothermal HVAC software design package

GLD Software

Pre-Order GLD2016!

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GLD 2014 Is the GSHP Industry Design Leader!

GLD is the choice of professionals in over 62 countries. GLD  is the leading software suite for geothermal heat pump and ground heat exchanger system design. Our new Hybrid Design tool is a uniquely powerful addition to GLD.. 

   New Features in GLD2014...

   Why is GLD Software the Best Choice...

I want to try it out!

Download a free trial version of Ground Loop Design Premier now.  View 99% of the program features and interface. 

GLD2014 works with all versions of Windows including the new Windows 10 (32b or 64b) and can be emulated on a Mac with Bootcamp or Parallels!

   Download FREE Trial now!

I want to see GLD software in action!

A picture is worth a thousand words.  The demo and  recorded webinars provide a clear introduction to GLD2014 for both new and experienced GLD users.  See GLD modules at work viewing our collection of tutorial videos.

   New in GLD2014 - For Current Users

   View Tutorial Presentations 

How to Purchase Software and Training

After you order GLD, we will ship you a USB license dongle that provides you with complete access on any machine for the version that you purchase.   Our software is available for network or stand-alone installations!

  Purchase or Upgrade Ground Loop Design

  New!  Additional Training Options Now Available

Who is Thermal Dynamics?

Thermal Dynamics is the international distributor for GLD Software, staffed by geoexchange professionals dedicated to bringing innovative, technically advanced products and services to the geoexchange community.  From fundamental design to implementation of ground source systems, we provide a competitive advantage for geothermal designers and installers, domestically and internationally.


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